A researcher conducts an independent samples t-test comparing two treatments, and reports the following data: Sample 1 Sample 2 M = 8 M = 18 SS = 100 SS = 50 n = 5 n = 5
A researcher conducts an independent samples t-test comparing two treatments, and reports the following data: Sample 1 Sample 2 M = 8 M = 18 SS = 100 SS = 50 n = 5 n = 5
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
A researcher conducts an independent samples t-test comparing two treatments, and reports the following data:
| Sample 1 | Sample 2 |
| M = 8 | M = 18 |
| SS = 100 | SS = 50 |
| n = 5 | n = 5 |
Which of the following correctly lists the calculated test statistic value along with the appropriate conclusion using an alpha level of .05, two-tails?
a. t = 3.65, Fail to reject Ho
b. t = 3.65, Reject Ho
c. t = 2.308, Fail to reject Ho
d. t = 2.308, Reject Ho
A researcher wants to know if there is a relationship between gender and the likelihood of being a psychology major. A sample of n=200 participants is surveyed and the observed results are presented in the table below.
|
|
Male |
Female |
|
Yes |
20 |
70 |
|
No |
80 |
30 |
Which of the following lists the appropriate statistical analysis for this question and data?
a. independent-samples t-test
b. repeated-measures t-test
c. Chi-square test
d. ANOVA
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